Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11368782 | System and method for converting passive protectors to ANR headphones or communication headsets | Allan SCHRADER | 2022-06-21 |
| 10764668 | Sensor mount and circumaural headset or headphones with adjustable sensor | Allan SCHRADER, Brian David FROST | 2020-09-01 |
| 10701470 | Circumaural headset or headphones with adjustable biometric sensor | Allan SCHRADER, Brian David FROST | 2020-06-30 |
| 10104929 | Helmet with externally positionable internal ear cups | Allan SCHRADER | 2018-10-23 |